Everyday life

Electricity cost calculator

What a PC, heater or console costs to run per day, month and year.

Embed this calculator on your website

Copy this code and paste it into your page (WordPress, Wix, Webflow, HTML…). It's free: please keep the link to HOD Calc.

How it works

kWh per day = watts × hours / 1000. Cost = kWh × price per kWh.

Results are for guidance only and do not replace professional advice.

Worked example

With the default values:

  • Power (W)350
  • Hours per day4
  • Price per kWh0.32

you get:

  • Per month€13.63
  • Per day€0.45
  • Per year€163.52
  • Energy per day1.4 kWh

Frequently asked questions

How does the “Electricity cost calculator” tool work?

kWh per day = watts × hours / 1000. Cost = kWh × price per kWh.

What do I need to enter?

Just fill in: power, hours per day, price per kwh. The result updates as you type.

Can you give an example?

Power (W): 350; Hours per day: 4; Price per kWh: 0.32 → Per month: €13.63; Per day: €0.45.

Is this calculator free, and is my data private?

Yes. HOD Calc is completely free with no sign-up. The calculation runs in your browser: nothing you type is sent or stored.